From: abdoulaye berthe Date: Fri, 2 Nov 2018 16:07:46 +0000 (-0400) Subject: drm/amd/display: CTS 4.2.2.7 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=242b0c8ffa5ea5c089b00a605747a1458bcb9c30;p=openwrt%2Fstaging%2Fblogic.git drm/amd/display: CTS 4.2.2.7 [Why] Failure to read Detailed Capabilities Info. [How] Read Detailed Capbilities Info 80h-08Fh. Signed-off-by: abdoulaye berthe Reviewed-by: Wenjing Liu Acked-by: Leo Li Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 4d1f8ac069c1..849a3a3032f7 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -2196,7 +2196,7 @@ static void get_active_converter_info( } if (link->dpcd_caps.dpcd_rev.raw >= DPCD_REV_11) { - uint8_t det_caps[4]; + uint8_t det_caps[16]; /* CTS 4.2.2.7 expects source to read Detailed Capabilities Info : 00080h-0008F.*/ union dwnstream_port_caps_byte0 *port_caps = (union dwnstream_port_caps_byte0 *)det_caps; core_link_read_dpcd(link, DP_DOWNSTREAM_PORT_0,